Use React's useDeferredValue for Instant Updates

A small state change once caused a full UI lag in our app. Not because of heavy logic. Because of a re-render cascade. Here’s what was happening 👇 Problem: → Small interaction → noticeable lag → Entire UI felt slow Root cause: → State lifted too high → Parent re-render triggered entire subtree → Components not isolated What I did: → Moved state closer to usage → Split component tree into smaller boundaries → Reduced unnecessary parent updates Result: → Significant performance improvement → Faster interactions → Better user experience Insight: Performance issues are often not “heavy code”. They’re “wide impact”. Control the blast radius of a render. #ReactJS #Performance #Frontend #SoftwareEngineering #CaseStudy #Optimization #JavaScript #Engineering #WebDevelopment #ScalableSystems #FrontendDeveloper

Just published Appents/human-time — a ~1KB zero-dependency relative time formatter for UI systems. Time formatting looks simple until your product has multiple surfaces. A notification says "Just now". A feed shows "0h ago". A dashboard shows "1 minute ago" for the same event. None of these are bugs in isolation. They’re what happens when every surface reimplements its own idea of time. Over time, the UI starts to feel slightly inconsistent in ways users don’t consciously notice - but trust does. human-time solves this by making time formatting deterministic: One explicit set of rules, applied everywhere. Built on native Intl.PluralRules. No dependencies. No locale bundles. No date parsing. Interactive demo → https://lnkd.in/g_3Be4gR npm → https://lnkd.in/gv_DtVZN #opensource #typescript #frontend #npm

Building and refining a scalable React architecture using lazy loading and modular components. Focused on improving navigation structure, connecting pages properly, and optimizing performance across the app. Small improvements every day → better user experience 🚀 #React #WebDevelopment #FrontendDevelopment #JavaScript #SoftwareEngineering #UIUX #CleanCode #CodingJourney

Your API may respond in 50ms, yet your React app can still feel slow. ⚠️ Here’s why 👇 • Unnecessary re-renders • Expensive reconciliation • Large lists blocking UI 💡 Fix it with: • Memoization (React.memo, useMemo) • Virtualization (react-window) 🚀 Fast APIs matter, but efficient rendering defines real UX. Have you faced this issue? Let’s discuss 👇 #Devoticlabs #React #WebPerformance #Frontend #JavaScript

🚀 Built an Image Search App using React! Recently, I worked on a project where users can search and explore images dynamically using an API. 🔧 Tech Stack: React (Hooks: useState, useEffect) Tailwind CSS Pixabay API 💡 Key Learnings: Managing state and data flow in React Fetching and rendering API data dynamically Handling user input and triggering side effects Component-based architecture (reusable components) Conditional rendering for better UX ⚡ Features: Search images in real-time Displays likes, views, and tags Clean and responsive UI 🔍 Challenges I faced: Handling API responses and state updates Managing loading and empty states Structuring components properly Excited to keep building and move towards full-stack development 🚀 #React #WebDevelopment #Frontend #LearningInPublic #100DaysOfCode

One thing I’ve learned with Next.js: Performance isn’t something you “add later.” You design for it early. For example 👇 A page can work fine… But still be slow because of: ❌ Too much client-side fetching ❌ Heavy components loading upfront ❌ Unoptimized images ❌ Rendering more than needed 💡 Small decisions matter: 👉 Use server-side rendering where it makes sense 👉 Lazy load what users don’t need immediately 👉 Optimize images from day one 👉 Keep the client light Because users don’t measure your code quality. They feel your performance. And they leave when it’s slow. What’s the biggest performance issue you’ve seen in frontend apps? #NextJS #WebPerformance #Frontend #SoftwareEngineering #Developers

Good frontend boundaries are not about adding ceremony, they are about protecting clarity. When features, state, and UI concerns bleed into each other, small changes start causing surprising breakages in totally unrelated parts of the app. Clear boundaries give each part of the system a defined job, which makes the codebase easier to reason about, safer to change, and far more sustainable as the product grows. In that sense, boundaries are not constraints on speed, they are what make speed possible over time. #reactjs #frontend #developerexperience #scalability

What is useDeferredValue? useDeferredValue is a React Hook that returns a deferred version of a value — meaning React can postpone updating it until more important work is done. const deferredValue = useDeferredValue(value); When value changes: - React first renders with the old value - then updates the deferred value in the background This makes the UI feel responsive, even if some parts are slow. There is the example on the screenshot and there: - input updates immediately (high priority) - results update later (low priority) useDeferredValue is about prioritization. That small shift makes a huge difference in real-world UX — especially in data-heavy or interactive apps. #react #frontend #webdev #javascript #reactjs #performance

Choosing a data grid in a React app is one of those decisions that quietly shapes everything: performance, UX, and how fast your team can ship. This comparison of AG Grid, React Table, and Ext JS Grid does a nice job of showing the tradeoffs between raw power, flexibility, and complexity. It reminded me how often we default to "what we used last time" instead of matching the grid to the actual use case. Worth a read if you're dealing with big tables, heavy filtering, or complex data workflows: https://lnkd.in/dyA4vRV5 #reactjs #frontend #webdevelopment

Rendering in React is one of those things that looks simple… until it’s not. At first, it feels like: state changes → UI updates → done But as your app grows, rendering becomes the difference between a smooth experience and a laggy, frustrating one. If you’ve worked with React long enough, you’ve probably seen: Unnecessary re-renders Components updating when nothing changed Performance drops that are hard to trace A few fundamentals that changed how I approach rendering: Not everything needs to re-render Memoization is powerful when used correctly State placement matters more than you think Derived state can silently hurt performance React renders are cheap… until they aren’t The goal isn’t to stop renders completely It’s to render the right components at the right time for the right reasons Once you understand this, optimizing React apps becomes much more predictable Curious how others handle rendering optimization in large apps #ReactJS #Frontend #WebDevelopment #JavaScript #SoftwareEngineering #Performance #CleanCode #TechLeadership